为了测量两极之间的高程差，测量员在两极中间的一个水平基座上使用了光学水准望远镜。
To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
根据安延管道的地形情况，利用高程差进行了自压输油试验。
According to topographical situation of Yanan Pipeline, conduct dead weight oil transporting test a - gainst elevation difference.
转子磁场中心安装偏差所产生的轴向磁拉力很小，转子磁极中心挂装高程差所产生的不平衡力偶不致增大推力瓦受力。
The couple of force created by rotor pole center suspending difference may not increase the pressure on the thrust pad.
三角高程测量高差值应进行球差改正。
Elevation difference by trigonometric leveling shall be corrected by spherical aberration.
抛物线差补和立方差补法通过高次高程来实现自由曲线。
Parabolic and cubic interpolation routines are used to provide approximations of free-form curves using higher-order equations.
本文提出基于等值线来识别GPS高程粗差的方法，并通过实例进行了验证。
The method is put forward based on isoline map discerning GPS' height gross error, and tested by a example.
在高程转换系统中首先对输入的数据进行粗差探测，剔除可能存在粗差的观测数据，从而提高拟合结果的可靠性。
In the elevation conversion system, at first detected the gross errors of inputting data and then removed it, enhanced the reliability of the fitting results.
为解决这一问题，本文提出了一种基于天文水准原理的GPS方法，通过测定障碍物两侧的高程异常差来实现高程传递。
A new method in this paper is offered to solve the question, which is based on astronomical leveling and USES GPS to measure height anomaly difference between both sides of obstacle.
GPS高程转换中，大地高的精度将直接影响转换后正常高的精度，为此大地高的粗差探测是比较重要的一个环节。
The accuracy of Orthometric Height will be directly affected by ellipsoidal height precision during GPS height transformation, therefore, the detection of gross error is very important.
仿真结果表明用户和基准台之间距离增大和低卫星仰角都将使伪距残差增大，气象因素和高程对伪距残差也有影响。
The simulation results indicate that the pseudo-range remaining errors will be increased with the distance between base-station and GPS user and in the case of low satellite elevation.
由于改进的模型中增加了三个定标参数，因此能够同时实现多航带幅度图像以及数字高程模型(dem)的联合平差。
Because of adding 3 calibration parameters, the block adjustment of amplitude images and Digital Elevation Model (DEM) could be actualized at the same time.
介绍当今确定天文大地垂线偏差的新仪器———CCD自动天体测量仪和确定两点间高程异常差的新方法。
A new means of determining astro geodetic deflection of the vertical CCD automatic astrometer and the new method to determine the difference of height anomalies between two points are described.
本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
数字高程模型(DEM)生产中最关键的环节是质量控制，而粗差是影响DEM质量的重要因素之一。
Quality control is the key link in DEM production, and the gross error is one of important factors affecting DEM quality.
数字高程模型(DEM)生产中最关键的环节是质量控制，而粗差是影响DEM质量的重要因素之一。
Quality control is the key link in DEM production, and the gross error is one of important factors affecting DEM quality.
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